Adults 18 to 80, any sex, with Knee Arthroplasty. Patients with the condition only — healthy volunteers not accepted.
Results — posted to ClinicalTrials.gov
Per-arm endpoint measurements with 95% confidence intervals where reported. Source: trial results section.
Patient and Observer Scar Assessment Scale (POSAS)Primary· 6 weeks post knee arthroplasty
The subject and investigator will rate commonly described scar characteristics from a patient and observers perspective Subject and Physician will rate overall opinion of scar to normal skin where 1-Normal to 10-Very Different
Subject Overall Opinion
Group
Value
95% CI
Zip Closure Device
2.25
± 1.52
Metal Staples
3.40
± 1.96
Surgeon Overall Opinion
Group
Value
95% CI
Zip Closure Device
1.10
± 0.31
Metal Staples
2.29
± 1.10
Patient SatisfactionSecondary· 6 weeks post knee arthroplasty
Subject Experience and Satisfaction results at 6 weeks post procedure. Subjects are asked of satisfaction with scar appearance on a scale of 1-minimal scar to 5-significant scar
Group
Value
95% CI
Zip Closure Device
1.45
± 0.76
Metal Staples
1.94
± 0.97
Adverse events — posted to ClinicalTrials.gov
Time frame: 6 weeks.
Reporting threshold: 0%.
Adverse-event reports describe events observed during the trial — not all are caused by the drug.
This study is a prospective, randomized, single center, study to evaluate Zip Closure Device in subjects undergoing knee arthroplasty. Patients identified as candidates for knee arthroplasty and meet the study selection criteria will be approached and considered for the study. Knee Arthroplasty of 40 subjects will be enrolled where 20 subjects will receive ZipLine and 20 subjects will receive Staples.
Publications & conference data
1 peer-reviewed publication reference this trial (live from Europe PMC):
NCT07212699 — Development of an Outcome Score for Patients With Knee Osteoarthritis and Knee Joint Endoprosthesis Using an App
· NA
· recruiting
Other ZipLine Medical Inc. trials
Trials by the same sponsor.
NCT04122859 — Evaluation of Zip Device to Conventional Sutures for Laceration Repair in Pediatrics in an Emergency Department
· NA
· unknown
NCT03199456 — A Randomized Post-market Study to Evaluate Zip Device Compared to Sutures for Laceration Repair in Pediatrics and Adults
· NA
· completed
Publications: Europe PMC API search by NCT ID, retrieved 10 June 2026
Drug + disease cross-links: matched in real time against Drug Landscape's normalised drug + company + condition tables
Sponsor: as reported to ClinicalTrials.gov by ZipLine Medical Inc.
Last refreshed: 15 May 2019
Drug Landscape aggregates and links these public records for informational use only. Always verify against the primary source before clinical or regulatory decisions. Canonical URL: https://druglandscape.com/trial/NCT03178266.